$232 Cheap Flights from Portland (PWM) to St. Thomas (STT)

View $232 flight on Thu, Jun 5, 2025Opens in a new window

Popular airlines from Portland Intl. Jetport Airport (PWM) to Cyril E. King Airport (STT)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Portland to St. Thomas (PWM-STT)

Prices were available within the past 7 days and start at $232 for one-way flights and $439 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Jul 4 - Wed, Jul 16
PWM
Portland
STT
St. Thomas
$439 Roundtrip, found 1 day ago
$439
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 4 from Portland to St. Thomas, returning Wed, Jul 16, priced at $439 found 1 day ago
JetBlue Airways
Thu, May 29 - Fri, Jun 6
PWM
Portland
STT
St. Thomas
$440 Roundtrip, found 2 days ago
$440
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Thu, May 29 from Portland to St. Thomas, returning Fri, Jun 6, priced at $440 found 2 days ago
United
Tue, Aug 12 - Sun, Aug 17
PWM
Portland
STT
St. Thomas
$444 Roundtrip, found 5 days ago
$444
Roundtrip
found 5 days ago
Select United flight, departing Tue, Aug 12 from Portland to St. Thomas, returning Sun, Aug 17, priced at $444 found 5 days ago
JetBlue Airways
Fri, May 16 - Fri, May 30
PWM
Portland
STT
St. Thomas
$445 Roundtrip, found 6 days ago
$445
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Fri, May 16 from Portland to St. Thomas, returning Fri, May 30, priced at $445 found 6 days ago
JetBlue Airways
Fri, May 30 - Fri, Jun 6
PWM
Portland
STT
St. Thomas
$454 Roundtrip, found 2 days ago
$454
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Fri, May 30 from Portland to St. Thomas, returning Fri, Jun 6, priced at $454 found 2 days ago
JetBlue Airways
Mon, Jun 16 - Mon, Jun 23
PWM
Portland
STT
St. Thomas
$455 Roundtrip, found 3 days ago
$455
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Mon, Jun 16 from Portland to St. Thomas, returning Mon, Jun 23, priced at $455 found 3 days ago
Delta
Mon, Jun 2 - Mon, Jun 9
PWM
Portland
STT
St. Thomas
$459 Roundtrip, found 2 days ago
$459
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Jun 2 from Portland to St. Thomas, returning Mon, Jun 9, priced at $459 found 2 days ago
JetBlue Airways
Thu, May 29 - Mon, Jun 9
PWM
Portland
STT
St. Thomas
$460 Roundtrip, found 2 days ago
$460
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Thu, May 29 from Portland to St. Thomas, returning Mon, Jun 9, priced at $460 found 2 days ago
JetBlue Airways
Sat, Aug 23 - Mon, Sep 8
PWM
Portland
STT
St. Thomas
$463 Roundtrip, found 3 days ago
$463
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sat, Aug 23 from Portland to St. Thomas, returning Mon, Sep 8, priced at $463 found 3 days ago
JetBlue Airways
Sun, May 25 - Mon, Jun 9
PWM
Portland
STT
St. Thomas
$465 Roundtrip, found 6 days ago
$465
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Sun, May 25 from Portland to St. Thomas, returning Mon, Jun 9, priced at $465 found 6 days ago
Flights from Portland (PWM) to St. Thomas (STT)
Origin airport
Portland Intl. Jetport
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$439
Distance
1776 mi

Portland to St. Thomas Flights

The cheapest times to fly from Portland to St. Thomas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to St. Thomas are during the month of July. You can find some of the cheapest flights from Portland to St. Thomas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to St. Thomas

Sunday is one of the best days to book for cheap flights from Portland to St. Thomas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to St. Thomas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $232 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to St. Thomas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to St. Thomas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Portland Intl. Jetport Airport (PWM) to Cyril E. King Airport (STT) cost?
Discover the latest flight deals from PWM to STT by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PWM to STT?
The cheapest flights from PWM to STT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PWM to STT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from PWM to STT. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Portland Intl. Jetport Airport (PWM) to Cyril E. King Airport (STT)?
You’ll need to book a flight with a layover if you’re traveling from Portland Intl. Jetport Airport (PWM) to Cyril E. King Airport (STT). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from PWM to STT?
You’ll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Jetport Airport (PWM) to Cyril E. King Airport (STT)?
Choose a flight from Portland Intl. Jetport Airport (PWM) to Cyril E. King Airport (STT) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Jetport Airport (PWM) to Cyril E. King Airport (STT) last-minute?
Booking your flight from PWM to STT shortly before your trip is typically more expensive. But if you’re flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a PWM to STT flight and hotel package?
Securing a PWM to STT flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our extensive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Jetport Airport (PWM) to Cyril E. King Airport (STT)?
If you booked your PWM to STT flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Explore a world of travel with Expedia

*Available to One Key members.